Wigerich's parents are unknown.
"Zuendeboldus…rex" donated property to the church of Trier by charter dated 23 Jan 899 which names "Richquinus et Widiacus…comites nostri". He was given the right to coin money in part of the archbishopric of Trier in 902. Ludwig "das Kind" King of Germany restored property taken by "Conradus et Gebehartus comites" to the church of Trier with the consent of "Wigerici comitis" by charter dated 19 Sep 902.
Graf von Bidgau: the monastery of St Maximin exchanged property "in pago Nedinse in comitatu Liutardi in loco…Burmeringas" for property "in pago Bedinse in comitatu Widrici…villa…Eslingis" with "Roricus" (vassal of Trier) by charter dated 1 Jan 909, subscribed by "Widrici comitis".
Comte d'Ardenne. Charles III “le Simple” King of the West Franks donated the abbeys of Hastières and Saint-Rombaut to Liège Saint-Lambert, granting the enjoyment for life to "comes Windricus...uxoris eius...Cunegundis et unius filiorum ipsorum...nostri nepotis Adelberonis", by charter dated to [915]. Comes palatii of Charles III "le Simple" King of the West Franks in 916. King Charles III restored Kloster Süsteren to the abbey of Prüm by charter dated 19 Jan 916 which names "fidelium nostrorum…Widricus comes palatii, Richuuinus comes, Gislebertus, Matfridus, Beringerius comites, Theodericus comes, Reinherus comes, Erleboldus". 1